Year % of total merchandise imports 1962 23.631123919308354 1963 34.15300546448087 1966 35.82887700534759 1967 36.134453781512605 1968 35.278514588859416 1969 26.95776443096889 1970 24.638726790450928 1971 24.74552821425042 1972 28.493451626531474 1973 25.545219638242894 1974 18.966653400230967 1975 22.661436947151238 1976 19.497213691129673 1977 16.69915972939777 1978 15.118385761736445 1979 21.806884802325 1980 23.020595606457302 1981 26.12497353266591 1982 27.324614377916852 1983 28.288150339307467 1984 28.098118603569144 1985 28.40684796260713 1986 27.71082612085281 1987 23.953068037823346 1988 22.832224314216496 1989 21.574037162275996 1990 26.597429306408422 1991 28.12191256086477 1992 27.372772751217973 1993 29.622362059839247 1994 26.711935390386728 1995 27.412783281909007 1996 25.854899215229864 1997 25.11391695250594 1998 26.54001631191058 1999 39.45056871499868 2000 32.20303835064928 2001 31.94051402731143 2002 32.162289411636166 2003 48.10416317378633 2004 48.02662224685126 2005 32.76991450788773 2006 33.27319050378577 2007 30.292430931965647 2008 29.51203475197953 2009 30.190772633551894 2010 31.21850523351745 2011 28.692191306170766 2012 26.461730666931064 2013 26.234730099050513 2014 52.33033809338955 2015 22.286630275686388 2016 24.228017359412636 2017 24.432246988352794 2018 23.912961514734157 2019 27.0433395923578 2020 25.135264568917297